Home / 86,141,126.31-129,196,347.66-34,321,386.03

Finding the Fourth Proportional to 86,141,126.31, 129,196,347.66 and 34,321,386.03

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Solution

The fourth proportional to 86,141,126.31, 129,196,347.66 and 34,321,386.03 is: 51,475,966.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,141,126.31 : 129,196,347.66 = 34,321,386.03 : x
  2. Step 2: Convert to fraction form
    86,141,126.31/129,196,347.66 = 34,321,386.03/x
  3. Step 3: Cross multiply
    86,141,126.31x = 129,196,347.66 × 34,321,386.03
  4. Step 4: Simplify right side
    86,141,126.31x = 4,434,197,721,704,947
  5. Step 5: Solve for x
    x = 4,434,197,721,704,947/86,141,126.31
  6. Step 6: Final answer
    x = 51,475,966.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.